MAKO M-2 System - Uncombinated 6-pin SFIC Core "M" Keyway disc The M-2 system conveniently uses

The M-2 system conveniently uses the standard A-2 pin measurements and cut depths so they can easily be integrated into an existing A-2 system

Weather resistant brass body

which is basically the same thing as A-2 system as far as measurements and key cuts go

Solid brass 6-pin cylinder

MAKO M-2 System - Uncombinated 6-pin SFIC Core "M" Keyway disc The M-2 system conveniently usesJust like other SFIC key cylinders, MAKO SFIC cores are interchangeable using a specialized control key that allows for quick installation and replacement of the lock core in a variety of different lock applications including (but not limited to) padlocks, doors knobs, deadbolts, and cabinets regardless of the manufacturer. MAKO SFIC products are of the highest quality and will last you a lifetime but they come with a limited lifetime warranty just in